Limitations to population growth are either density-dependant or density-independent. An example of a density-dependent factor could be food availability while an example of a density-independent factor might be the occurrence of a flood. What is another
example of a density-dependent factor that applies to the human population?

Why are current extinctions of concern to enviromentalists?

We all have different forms of genes from our parent(s).what are these different forms called? a. alleles b. characters c. dna d. resources

12) several teeth were found in an area of flat land covered with trees and plants. the teeth were examined by a paleontologist, and it was determined that the teeth came from a shark. they found many other shark teeth in this area. however, the people who discovered the teeth were puzzled, because there was no source of water near where the fossils were found. what is the paleontologist's best explanation for why the teeth were found in this area? a) sharks used to live on flat land. b) this area was once covered with salt water. c) this area was once covered with freshwater. d) someone buried the shark teeth deep in the ground.